Describe publication item language
Nov 05 2011
During the spawning season of Nile tilapia (Oreochromis niloticus) develop reddish coloration as secondary sex characteristics. One of the attached photos shows clearly the male coloration during the spawning season while the second photo shows the color difference between male and female of Nile tilapia. Note: We decided not to watermark the photos in order not to upset …
Permanent link to this article: https://fishconsult.org/?p=1143
Nov 05 2011
Rotation concept has been practiced based on the nature of aquaculture and agriculture in a given region. Attached pictures show the farming of winter agricultural crops (e.g. wheat – alfalfa) in fish ponds. In temperate climates such as in Egypt, and in situations where Nile tilapia leads aquaculture cropping, fish harvest usually takes place before …
Permanent link to this article: https://fishconsult.org/?p=1122
Nov 05 2011
In this model, Nile tilapia (Oreochromis niloticus) has been farmed in concrete tanks in agriculture farms where agricultural crops such as alfa alfa, tomatoes, potatoes, onions, etc., are cultivated. Such integrated farms are located in several locations including Al-Wafra, the location the attach picture shows. In order to facilitate draining, tanks are constructed abovr ground level. Water used in these …
Permanent link to this article: https://fishconsult.org/?p=1094
Nov 04 2011
This photos hows a type of egg incubators used in the commercial hatcheries of Nile tilapia, Oreochromis niloticus. Because of the high cost of imported incubators, these incubators are locally made in Egypt especially in the light of high demand. Note: We decided not to watermark the photos in order not to upset its clarity. …
Permanent link to this article: https://fishconsult.org/?p=1078
Nov 04 2011
These type of incubators for tilapia eggs are in use in medium size and commercial hatcheries (Egypt) Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if you wish to use a picture or more. This will be appreciated.
Permanent link to this article: https://fishconsult.org/?p=1072
Nov 04 2011
There are several mullet species inhabiting Bardaweel Lagoon (Egypt) that are collectively represent about 20% of the lagoon catch. This photo shows the fishing gears used in mullet fishery in the lagoon. Note: We decided not to watermark the photos in order not to upset its clarity. However, we trust you will notify us if …
Permanent link to this article: https://fishconsult.org/?p=1066
Nov 03 2011
The fry of this species are collected from the Mediterranean Sea. In regard to growth rate, flathead grey mullet (Mugil cephalus) is showing highest growth rate among mullet species. Because of early collection of its fry in Egypt (September – December), it attains its market size with an average of 300-400 g in a single …
Permanent link to this article: https://fishconsult.org/?p=1061
Nov 03 2011
This species is found more in the Red Sea system due to its high tolerance to high salinity. The fry of keeled mullet (Liza carinata) are collected from collecting stations in Ismaelia and Suez. Even though the growth rate of keeled mullet is not high especially when compared to key mullet species, there is a …
Permanent link to this article: https://fishconsult.org/?p=1050
Nov 03 2011
Review: Abdel Rahman El Gamal (Founder of the website) Mullet farming still depends on naturally collected fry whereas the artificial reproduction of mullet is carried out at experimental levels in Egypt. There are several stations where mullet fry are collected. Key mullet species are flathead grey mullet (Mugil cephalus), thin-lipped grey mullet (Liza ramada), and keeled …
Permanent link to this article: https://fishconsult.org/?p=1047
Nov 03 2011
The photo shows a classic view of the spawning nests in earthen ponds for mouth brooder tilapia such as Nile tilapia, Oreochromis niloticus. The nest is built by the male while female joins where the spawning takes place before females incubates the fertilized eggs. If harvesting of tilapia fry is performed in these ponds, it …
Permanent link to this article: https://fishconsult.org/?p=918
